Eutrochium dubium

Eutrochium dubium
Scientific classification
Kingdom:Plantae
Clade:Angiosperms
Clade:Eudicots
Clade:Asterids
Order:Asterales
Family:Asteraceae
Genus:Eutrochium
Species: E. dubium
Binomial name
Eutrochium dubium
(Willd. ex Poir.) E.E.Lamont
Synonyms[1]
  • Eupatoriadelphus dubius (Willd. ex Poir.) R.M. King & H. Rob.
  • Eupatorium dubium Willd. ex Poir.

Eutrochium dubium,[2] also called coastal plain joe pye weed, is a North American flowering plant in the sunflower family. It is native to the eastern United States and Canada, primarily the Atlantic coastal plain from Georgia to Nova Scotia.[3]

Eutrochium dubium is a herbaceous perennial plant herb sometimes as much as 170 cm (68 inches or 5 2/3 feet) tall. Stems are sometimes purple, sometimes green with purple spots. The plant produces numerous flower heads in flat-topped arrays, each head has 4-10 dark purple (rarely pink or white) disc florets but no ray florets.[4]

References

  1. ↑ "Eutrochium dubium (Willd. ex Poir.) E.E. Lamont". Tropicos. Missouri Botanical Garden.
  2. ↑ "Eutrochium dubium". Germplasm Resources Information Network (GRIN). Agricultural Research Service (ARS), United States Department of Agriculture (USDA). Retrieved 16 January 2015.
  3. ↑ "Eutrochium dubium". County-level distribution map from the North American Plant Atlas (NAPA). Biota of North America Program (BONAP). 2014.
  4. ↑ Lamont, Eric E. (2006). "Eutrochium dubium". In Flora of North America Editorial Committee. Flora of North America North of Mexico (FNA). 21. New York and Oxford – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.


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